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Smilek DE, Wraith DC, Hodgkinson S, Dwivedy S, Steinman L, McDevitt HO.Smilek DE, et al. Among authors: steinman l.Proc Natl Acad Sci U S A. 1991 Nov 1;88(21):9633-7. doi: 10.1073/pnas.88.21.9633.Proc Natl Acad Sci U S A. 1991.PMID: 1719536Free PMC article.